103642620 has 24 divisors (see below), whose sum is σ = 290199504. Its totient is φ = 27638016.

The previous prime is 103642603. The next prime is 103642621. The reversal of 103642620 is 26246301.

It is a super-3 number, since 3×103642620³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103642621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 863629 + ... + 863748.

It is an arithmetic number, because the mean of its divisors is an integer number (12091646).

Almost surely, 2^103642620 is an apocalyptic number.

103642620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103642620 is an abundant number, since it is smaller than the sum of its proper divisors (186556884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

103642620 is a wasteful number, since it uses less digits than its factorization.

103642620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1727389 (or 1727387 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 103642620 is about 10180.5019522615. The cubic root of 103642620 is about 469.7276526878.

Adding to 103642620 its reverse (26246301), we get a palindrome (129888921).

The spelling of 103642620 in words is "one hundred three million, six hundred forty-two thousand, six hundred twenty".